<template>
  <view class="template-planet tn-safe-area-inset-bottom">
    <!-- 顶部自定义导航 -->
    <tn-nav-bar fixed alpha customBack>
      <view slot="back" class='tn-custom-nav-bar__back' @click="goBack">
        <text class='icon tn-icon-left'></text>
        <text class='icon tn-icon-home-capsule-fill'></text>
      </view>
    </tn-nav-bar>


    <swiper class="card-swiper" :current="cardCur" :circular="true" :autoplay="false" duration="500" interval="18000"
      @change="cardSwiper">
      <swiper-item v-for="(item, index) in swiperList" :key="index" :class="cardCur == index ? 'cur' : ''">
        <view class="swiper-item image-banner">
          <image :src="item.url" mode="heightFix" v-if="item.type == 'image'"></image>
        </view>
        <view class="swiper-item-text tn-text-center">
          <view class="tn-text-bold tn-padding-top-xs tn-color-white">
            <text class="tn-icon-copy tn-padding-right-xs"></text>
            {{ item.name }}
            <text class="tn-icon-copy tn-padding-left-xs"></text>
          </view>
        </view>

      </swiper-item>
    </swiper>

    <view class="indication">
      <block v-for="(item, index) in swiperList" :key="index">
        <view class="spot tn-text-center tn-padding-top-sm tn-shadow-blur" :style="'color:' + item.color + ';'"
          :class="cardCur == index ? 'active' : ''" @tap.stop="handleSwiperClick(index)">
          <view class="tn-text-xxl icon-text" :class="'tn-icon-' + item.icon + ';'"></view>
          <view class="tn-text-sm">{{ item.get }}</view>
        </view>
      </block>
    </view>


    <!-- 悬浮按钮-->
    <view class="tn-flex tn-footerfixed">
      <view class="tn-flex-1 justify-content-item tn-margin-sm tn-text-center" @click="tn('/activityPages/topic')">
        <tn-button shape="round" backgroundColor="#FFF00D" padding="40rpx 0" width="60%" shadow fontBold @tap="upload">
          <text class="tn-icon-light tn-padding-right-xs tn-color-black"></text>
          <text class="tn-color-black">answer the question</text>
          <text class="tn-icon-light tn-padding-left-xs tn-color-black"></text>
        </tn-button>
      </view>
    </view>

    <view class='tn-tabbar-height'></view>

  </view>
</template>

<script>
import template_page_mixin from '@/libs/mixin/template_page_mixin.js'
export default {
  name: 'TemplatePlanet',
  mixins: [template_page_mixin],
  data() {
    return {
      cardCur: 0,
      swiperList: [{
        id: 0,
        type: 'image',
        name: '43 people have unlocked this planet in total',
        get: 'Unlocked',
        icon: 'cube',
        url: '/static/DIV1.png',
      }, {
        id: 1,
        type: 'image',
        name: '20 people have unlocked this planet in total',
        get: 'Unlocked',
        icon: 'cube',
        url: '/static/DIV3.png',
      },],
    }
  },
  methods: {
    // cardSwiper
    cardSwiper(e) {
      this.cardCur = e.detail.current
    },
    // swiper点击事件
    handleSwiperClick(index) {
      this.cardCur = index
    },
    // 跳转
    tn(e) {
      uni.navigateTo({
        url: e,
      });
    },
  }
}
</script>

<style lang="scss" scoped>
.template-planet {
  margin: 0;
  width: 100%;
  height: 100vh;
  color: #fff;
  overflow: hidden;
  animation: color-loop 18s infinite;
}

@keyframes color-loop {
  0% {
    background: #F15BB5;
  }

  25% {
    background: #00F5D4;
  }

  50% {
    background: #01BEFF;
  }

  75% {
    background: #9A5CE5;
  }

  100% {
    background: #F15BB5;
  }
}

/* 胶囊*/
.tn-custom-nav-bar__back {
  width: 100%;
  height: 100%;
  position: relative;
  display: flex;
  justify-content: space-evenly;
  align-items: center;
  box-sizing: border-box;
  background-color: rgba(0, 0, 0, 0.15);
  border-radius: 1000rpx;
  border: 1rpx solid rgba(255, 255, 255, 0.5);
  color: #FFFFFF;
  font-size: 18px;

  .icon {
    display: block;
    flex: 1;
    margin: auto;
    text-align: center;
  }

  &:before {
    content: " ";
    width: 1rpx;
    height: 110%;
    position: absolute;
    top: 22.5%;
    left: 0;
    right: 0;
    margin: auto;
    transform: scale(0.5);
    transform-origin: 0 0;
    pointer-events: none;
    box-sizing: border-box;
    opacity: 0.7;
    background-color: #FFFFFF;
  }
}


/* 视觉差轮播*/
.card-swiper {
  height: 80vh !important;
}

.card-swiper swiper-item {
  width: 750rpx !important;
  left: 0rpx;
  box-sizing: border-box;
  overflow: initial;
}

.card-swiper swiper-item .swiper-item {
  margin-top: 15vh;
  width: 750rpx;
  height: 750rpx;
  border-radius: 0rpx;
  transform: translate(0rpx, 0rpx) scale(0.8);
  transition: all 0.2s ease-in 0s;
  will-change: transform;
  overflow: hidden;
  opacity: 1;
}

.card-swiper swiper-item.cur .swiper-item {
  transform: translate(0rpx, 0rpx) scale(1, 1);
  transition: all 0.2s ease-in 0s;
  will-change: transform;
  opacity: 1;
}

.card-swiper swiper-item .swiper-item-text {
  margin-top: -5vh;
  width: 100%;
  // height: 100%;
  display: block;
  border-radius: 10rpx;
  transform: scale(0.7, 0.7);
  transition: all 0.4s ease 0s;
  will-change: transform;
  overflow: hidden;
  opacity: 0;
}

.card-swiper swiper-item.cur .swiper-item-text {
  padding-left: 30rpx;
  transform: scale(1);
  transition: all 0.4s ease 0s;
  will-change: transform;
  opacity: 1;
}

.image-banner {
  display: flex;
  align-items: center;
  justify-content: center;
}

.image-banner image {
  width: 100%;
}

/* 轮播指示点 start*/
.indication {
  z-index: 9999;
  width: 100%;
  height: 36rpx;
  position: absolute;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
}

.spot {
  opacity: 1;
  width: 100rpx;
  height: 80rpx;
  border-radius: 20rpx;
  margin: 20rpx 15rpx !important;
  left: 0rpx;
  right: 0;
  top: -65vh;
  position: relative;
}

.spot.active .icon-text {
  transform: scale(1.6);
  margin-bottom: 20rpx;
  opacity: 1;
}

/* 底部悬浮按钮 start*/
.tn-tabbar-height {
  min-height: 100rpx;
  height: calc(120rpx + env(safe-area-inset-bottom) / 2);
}

.tn-footerfixed {
  position: fixed;
  width: 100%;
  bottom: calc(30rpx + env(safe-area-inset-bottom));
  z-index: 1024;
  box-shadow: 0 1rpx 6rpx rgba(0, 0, 0, 0);

}

/* 底部悬浮按钮 end*/
</style>
